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Rasek [7]
3 years ago
9

7. Olivia purchases gifts for her mom and

Mathematics
1 answer:
slega [8]3 years ago
3 0

Answer:

$23.40

Step-by-step explanation:

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How many millilitres are there in two point four litres?
vlada-n [284]

Answer:

The answer is 2400

Step-by-step explanation:

1l = 1000 mal

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2 years ago
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How do you do this question?
e-lub [12.9K]

Answer:

D. dA/dt = 4h dh/dt in²/sec

Step-by-step explanation:

Given:

A = wh

w = 2h

Substitute:

A = 2h²

Take derivative with respect to time:

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dA/dt has units of in²/sec.

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Sophia has been trying to budget her money. She just opened a bank account and deposited
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Step-by-step explanation:

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3 years ago
A top-loading washing machine has a cylindrical basket that rotates about a vertical axis. The basket of one such machine starts
damaskus [11]

Answer:

n_{tot}=44rev

Step-by-step explanation:

In order to solve this problem we can make use of the following formula:

\theta=(\frac{\omega_{f}+\omega_{0}}{2})t

where θ is the total angle the basket has turned, ω is the angular velocity and t is the time.

Generally theta is written in radians and omega is written in radians per second. Now, since the revolutions are directly related to the radians and they want us to write our answer in revolutions, we can directly use the provided speeds in the formula, so we can rewrite it as:

n=(\frac{f_{f}+f_{0}}{2})t

where n represents the number of revolutions and f is the frequency at which the basket is turning.

The movement of the cylindrial basket can be split in two stages, when it accelerates and when it decelerates. So let's analye the first stage:

n=(\frac{4rev/s+0}{2})(9s)=18rev

and now let's analyze the second stage, where it decelerates, so we get:

n=(\frac{0rev/s+4rev/s}{2})(13s)=26rev

So now that we know how many revolutions the cylindrical basket will take as it accelerates and as it decelerates we can add them to get:

n=18rev+26rev=44rev

So the basket will turn a total of 44 revolutions during this 22s interval.

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3 years ago
What is the formula to find the area of a triangle
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Answer:

A= 1/2bh

Step-by-step explanation:

(how its supposed to be said: Area= one half base times height)

:)

3 0
2 years ago
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